[jira] [Updated] (CASSANDRA-6599) CQL updates should support "column = column - { key1, key2, ... }" syntax for removing map elements

["Aleksey Yeschenko (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-6599?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Yeschenko updated CASSANDRA-6599:
-----------------------------------------

    Reviewer: Sylvain Lebresne  (was: Aleksey Yeschenko)

I have a minor preference for simply allowing nulls as map values, but it's a very weak one.

Deferring the decision/review to Sylvain.

> CQL updates should support "column = column - { key1, key2, ... }" syntax for removing map elements
> ---------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6599
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6599
>             Project: Cassandra
>          Issue Type: Wish
>            Reporter: Gavin
>            Assignee: Benjamin Lerer
>            Priority: Minor
>              Labels: cql
>             Fix For: 2.1.1
>
>         Attachments: 6599-proto.txt, CASSANDRA-6599.txt
>
>
> A variable number number of elements can be removed from lists and sets using an update statement of the form "update .... set column=column - {....} where ...".  This syntax should also be supported for map columns.  This would be especially useful for prepared statements (I know that you can use "set column[...] = null" to remove items in an update statement, but that only works for one element at a time).



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